chore: bump Scriban from 5.8.0 to 5.9.0 in /src

Bumps [Scriban](https://github.com/scriban/scriban) from 5.8.0 to 5.9.0.
- [Release notes](https://github.com/scriban/scriban/releases)
- [Changelog](https://github.com/scriban/scriban/blob/master/changelog.md)
- [Commits](scriban/scriban@5.8.0...5.9.0)

---
updated-dependencies:
- dependency-name: Scriban
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

src/UnityNuGet/UnityNuGet.csproj

@@ -27,7 +27,7 @@
     <PackageReference Include="NuGet.PackageManagement" Version="6.7.0" />
     <PackageReference Include="Microsoft.Extensions.Caching.Memory" Version="7.0.0" />
     <PackageReference Include="NUglify" Version="1.20.7" />
-    <PackageReference Include="Scriban" Version="5.8.0" />
+    <PackageReference Include="Scriban" Version="5.9.0" />
     <PackageReference Include="SharpZipLib" Version="1.4.2" />
     <PackageReference Include="System.ComponentModel.Annotations" Version="5.0.0" />
     <PackageReference Include="System.Linq.Async" Version="6.0.1" />